Exam (elaborations)
Kumon Exam Questions With A + Grade Answers
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y=sin4xcos3x - ANSWER-1/2(7cos7x+cosx) 2) x= 2t+1/t^2 , y= t-1/t^3 - ANSWER-T^4+3/2t(t^3-1) 3) y= 4x^2-4x+1 - ANSWER-Y'= (x-1)^2+1/4/(x-1)^2. max= 0 (x=1/2). Min= 2 (3/2) 4)Y= x/inx - ANSWER-y'= inx-1/(inx)^2 Y^n= 2-inx/x(inx)^3 5) y=cos2x (pi/4,0) - ANSWER-tan line: y=-2(x-pi/4). norma...
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